20152672990

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7841507}}^1$

素因数の和:7841771

約数の個数: 16

約数和(自身を含む): 36415963152

約数和(自身を除く): 16263290162

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 7841507, 15683014, 39207535, 78415070, 2015267299, 4030534598, 10076336495, 20152672990]

約数ペア:

[(1, 20152672990), (2, 10076336495), (5, 4030534598), (10, 2015267299), (257, 78415070), (514, 39207535), (1285, 15683014), (2570, 7841507)]